Benson and Stabler are led on a wild goose chase to find a copycat serial killer. The investigation starts when they find an abandoned baby in the park with a note attached, indicating the mother's kidnapping. The copycat leaves a trail of breadcrumbs for them to follow, testing Benson and Stabler in their abilities and forcing them to play his game. They are too late in finding the first victim, and realize he has already captured his second victim when they discover several unidentified fingers at the crime scene.